URL Encoder/Decoder Online Free

Percent-encode query parameters or decode URL address components. URLs containing special characters or spaces break browser routing if not percent-encoded.

Your inputs are processed locally in your browser. Nothing is uploaded to any server.

Why You Need a URL Encoder/Decoder

URLs containing special characters or spaces break browser routing if not percent-encoded.

How URL Encoder/Decoder Works

The engine applies encodeURIComponent and decodeURIComponent algorithms client-side for high-speed operation, providing instant feedback without sending any data over the internet.

When to Use This Tool

Use the URL Encoder/Decoder when you need to percent-encode URL parameters or decode them back during encoding query parameters, decoding API routing links, and debugging web links.

Step-by-Step Usage

  1. Paste your URL address or parameter string.: Paste your URL address or parameter string.
  2. Click Encode or Decode.: Click Encode or Decode.
  3. Copy the formatted web string.: Copy the formatted web string.

Advantages

  • Encodes: Encodes special characters and spaces to URL-safe formats
  • Decodes: Decodes query parameters cleanly
  • Runs: Runs locally in browser RAM

Privacy and Safe Usage

Avoid pasting secrets, API keys, private tokens, or credentials into formatting, decoding, or testing tools unless you fully understand how the page processes the data.

Related Tools

Here are some other related utility tools you can explore to streamline your workflows:

FAQs

Why is URL encoding necessary?

Browsers only accept specific ASCII characters in URLs; other symbols must be converted to prevent broken page loads.